/*
 * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
 * under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership. Camunda licenses this file to you under the Apache License,
 * Version 2.0; you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.camunda.bpm.engine.spring.test.transaction;

import org.camunda.bpm.engine.delegate.DelegateExecution;
import org.camunda.bpm.engine.delegate.JavaDelegate;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;

public class TransactionRollbackDelegate implements JavaDelegate {

  private PlatformTransactionManager transactionManager;

  @Override
  public void execute(DelegateExecution execution) throws Exception {
    TransactionTemplate transactionTemplate = new TransactionTemplate(transactionManager);
    transactionTemplate.setPropagationBehavior(TransactionTemplate.PROPAGATION_REQUIRED);

    transactionTemplate.execute(new TransactionCallback<Void>() {

      @Override
      public Void doInTransaction(TransactionStatus status) {

        // simulate a failure that triggers the transaction rollback
        status.setRollbackOnly();

        return null;
      }
    });
  }

  public void setTransactionManager(PlatformTransactionManager transactionManager) {
    this.transactionManager = transactionManager;
  }

}
